Rte 166, Marion, IL Property Records

Williamson County property records for 59 addresses on Rte 166, Marion, IL · Last verified August 2026

Rte 166 Highlights

Properties 59
Median Sale Price $145,000
Deeds and Mortgages on File 8
Median Price per Sqft $114
Owner Occupied 80%
Median Annual Tax Bill $2,439
Median Year Built 1971
Median Ownership Tenure 11 years

Properties on Rte 166

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

9658 Rte 166

1,800 sqft · 17.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Apr 2018 $7,1952025 1 Name on Record AssessorUpdated Jun 2026

9745 Rte 166

1,856 sqft · Built 1970 · 13.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1976 $4,2902025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

9816 Rte 166

1,368 sqft · Built 1930 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2021 $6512025 2 Names on Record AssessorUpdated Aug 2026

9876 Rte 166

1,611 sqft · Built 1967 · 0.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,5492025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

9918 Rte 166

0.969 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2010 $2,7062025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10000 Rte 166

1.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4712025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10233 Rte 166

1,040 sqft · Built 2004 · 0.054 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2022 $6232025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10511 Rte 166

1.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Jul 2001 $1722025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10514 Rte 166

3.61 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2009 $2,3562025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10547 Rte 166

1,252 sqft · Built 1905 · 6.95 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Mar 2011 $2,7052025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10590 Rte 166

3.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000Jan 2002 $3792025 2 Names on Record AssessorUpdated Jun 2026

10612 Rte 166

1,000 sqft · Built 1986 · 1.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$107,000May 2005 $3,1522025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10619 Rte 166

1,600 sqft · Built 2010 · 5.36 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2009 $4,3572025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10625 Rte 166

1,856 sqft · Built 2011 · 2.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Apr 2026 $5,2472025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

10636 Rte 166

1.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$48,000May 2012 $7062025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10666 Rte 166

2,414 sqft · Built 2003 · 21.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2009 $4,2382025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10667 Rte 166

2,140 sqft · Built 1965 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Nov 2002 $1,9022025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10771 Rte 166

19 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6232025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10838 Rte 166

1,256 sqft · Built 1950 · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,2142025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10860 Rte 166

1,574 sqft · Built 1930 · 0.51 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2019 $2,1242025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

10907 Rte 166

1,860 sqft · Built 1950 · 2.28 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$117,000Aug 2024 $3,6522025 Amount on Record Jun 2024 2 Names on Record AssessorUpdated Jul 2026

10953 Rte 166

2,779 sqft · Built 2012 · 32.7 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Apr 1998 $8,3352022 2 Names on Record Owner Occupied AssessorUpdated Oct 2023

10956 Rte 166

1,478 sqft · Built 1930 · 40 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8042025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

11029 Rte 166

1,282 sqft · Built 1930 · 5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Sep 2025 $8022025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

11163 Rte 166

1,400 sqft · Built 1979 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$114,500Aug 2015 $3,6322025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

11191 Rte 166

1,316 sqft · Built 1987 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Apr 2018 $2,5632025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

11222 Rte 166

24.6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1985 $1,5002025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

11227 Rte 166

1,222 sqft · Built 1978 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5962025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

11275 Rte 166

1,296 sqft · Built 1975 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$105,000Dec 2016 $2,6972025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

11317 Rte 166

1,657 sqft · Built 1978 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jan 2021 $3,6772025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

11383 Rte 166

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,000Nov 2019 $1,2822025 1 Name on Record AssessorUpdated Jun 2026

11401 Rte 166

1,296 sqft · Built 1989 · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$28,500Jul 2024 $7722025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

11423 Rte 166

0.95 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2001 $2122025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

11477 Rte 166

1,440 sqft · Built 1976 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$98,000Feb 2020 $2,7162025 Amount on Record Jul 2017 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

11515 Rte 166

4.59 acres

Last Sale Tax Bill Prior Sale Owner Records
$332025 2 Names on Record AssessorUpdated Jun 2026

12002 Rte 166

576 sqft · Built 1930 · 4.86 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$72,500Mar 2026 $1,2402025 Amount on Record Jun 2018 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

12007 Rte 166

1,488 sqft · Built 1908 · 1.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 $5,5682025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12058 Rte 166

1,568 sqft · Built 1994 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$66,000Jan 2005 $1,1592025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

12148 Rte 166

984 sqft · Built 1930 · 4.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1981 $1,0982025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12180 Rte 166

1,816 sqft · Built 1966 · 3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Feb 2026 $3,7732025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12217 Rte 166

3.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 $2582025 1 Name on Record AssessorUpdated Jun 2026

12275 Rte 166

2,224 sqft · Built 1967 · 1.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$145,000Apr 2021 $3,6992025 1 Name on Record AssessorUpdated Jun 2026

12303 Rte 166

1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000Jun 2023 $3,3082025 Amount on Record Jul 2022 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12330 Rte 166

1,092 sqft · Built 1944 · 77 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 $4,3792025 1 Name on Record AssessorUpdated Jun 2026

12335 Rte 166

2,556 sqft · Built 1965 · 1.8 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$132,500Dec 2004 $3,9962025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

12397 Rte 166

1,118 sqft · Built 1959 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,7992025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12431 Rte 166

1,200 sqft · Built 1967 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2016 $1,9332025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

12469 Rte 166

1,772 sqft · Built 1971 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2009 $3,2522025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12507 Rte 166

1.85 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$40,000Dec 2002 $6732025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12555 Rte 166

1,008 sqft · Built 2003 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2015 $5,1922025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12591 Rte 166

1,480 sqft · Built 1974 · 1.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$162,500Mar 2022 $3,2082025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12615 Rte 166

1,742 sqft · Built 1975 · 1.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3912025 2 Names on Record AssessorUpdated Jun 2026

12655 Rte 166

1,680 sqft · Built 1972 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2012 $2,3572025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12693 Rte 166

2,604 sqft · Built 1975 · 1.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$78,750Nov 2000 $1,4002025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

12719 Rte 166

1,440 sqft · Built 1982 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2012 $4,3672025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12755 Rte 166

2 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000Apr 2026 $2,3982025 —Jul 2022 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

12793 Rte 166

1,444 sqft · Built 1980 · 1.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,8252025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12818 Rte 166

1,384 sqft · Built 1962 · 59.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$891,500Sep 2017 $3,1622025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

12843 Rte 166

1,428 sqft · Built 1954 · 0.68 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2015 $2,4392025 1 Name on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets